426242533 has 2 divisors, whose sum is σ = 426242534. Its totient is φ = 426242532.

The previous prime is 426242521. The next prime is 426242567. The reversal of 426242533 is 335242624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 337750884 + 88491649 = 18378^2 + 9407^2 .

It is a cyclic number.

It is not a de Polignac number, because 426242533 - 2⁹ = 426242021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 426242495 and 426242504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426242503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213121266 + 213121267.

It is an arithmetic number, because the mean of its divisors is an integer number (213121267).

Almost surely, 2^426242533 is an apocalyptic number.

It is an amenable number.

426242533 is a deficient number, since it is larger than the sum of its proper divisors (1).

426242533 is an equidigital number, since it uses as much as digits as its factorization.

426242533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 31.

The square root of 426242533 is about 20645.6419856589. The cubic root of 426242533 is about 752.5792872384.

Subtracting from 426242533 its reverse (335242624), we obtain a palindrome (90999909).

The spelling of 426242533 in words is "four hundred twenty-six million, two hundred forty-two thousand, five hundred thirty-three".